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Finding the Fourth Proportional to 286,335.77, 429,464.41 and 158,488.52

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Solution

The fourth proportional to 286,335.77, 429,464.41 and 158,488.52 is: 237,711.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,335.77 : 429,464.41 = 158,488.52 : x
  2. Step 2: Convert to fraction form
    286,335.77/429,464.41 = 158,488.52/x
  3. Step 3: Cross multiply
    286,335.77x = 429,464.41 × 158,488.52
  4. Step 4: Simplify right side
    286,335.77x = 68,065,179,411.01
  5. Step 5: Solve for x
    x = 68,065,179,411.01/286,335.77
  6. Step 6: Final answer
    x = 237,711.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.